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KSSTREAM_METADATA_INFO structure (ks.h)

  • Article

This structure contains the metadata information that is passed down to the driver.

Syntax

typedef struct {
  ULONG BufferSize;
  ULONG UsedSize;
  PVOID Data;
  PVOID SystemVa;
  ULONG Flags;
  ULONG Reserved;
} KSSTREAM_METADATA_INFO, *PKSSTREAM_METADATA_INFO;

Members

BufferSize

This value is set by the user mode component and is equal to the MaxMetadataBufferSize supplied by the driver.

UsedSize

The size of the metadata written by the driver in the SystemVa buffer.

Data

The metadata buffer that is passed down by the user mode component. This is mapped to SystemVa.

SystemVa

The buffer that is used by the driver to fill with metadata.

Flags

Set to KSCAMERA_EXTENDEDPROP_METADATA_SYSTEMMEMORY if the metadata buffer is allocated from the system memory.

Reserved

Reserved for system use.

Requirements

Requirement Value
Header ks.h